This might happen because your blood pressure suddenly falls, you are dehydrated, or your blood sugar has dropped. Apart from this, this may also come from inner ear problems or a change in the prescription of your eyes. Continuously, ensure to drink plenty of water, have meals regularly, and if it continues, see a physician. 

It is normal to have high blood pressure after a stroke. These blood pressure rises could be because of the brain damage that regulates the level of pressure. Furthermore, hypertension is often asymptomatic however it can cause additional strokes. Ensure that he takes his medication, eats well, and goes for check-ups regularly. 

Headaches can hurt a lot. There are many different kinds of headaches. If you have been experiencing headaches for a long time, it is important to determine what is causing them. Pressure, not enough sleep, dehydration or specific dishes may all be triggers for some people. Visit a doctor to get solution for this problem.

If you often forget things quickly, it could be due to something called short-term memory loss. Symptoms include difficulty remembering recent events or information. This can happen due to stress, lack of sleep, or not paying attention. Try to practice good sleep habits, reduce stress, and pay attention when you learn new things. Writing things down can also help you remember better.